Variations in Km(CO2) of ribulose-1,5-bisphosphate carboxylase among grasses

A survey of the K m (CO 2 ) values of ribulose-1,5-bisphosphate carboxylase from 60 grass species shows that enzyme from C 3 grasses consistently exhibits lower K m (CO 2 ) than does that from C 4 grasses. Systematically ordered variation in K m (CO 2 ) of ribulose-1,5-bisphosphate carboxylases from...

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Bibliographic Details
Published in:Plant physiology (Bethesda) 1980-12, Vol.66 (6), p.1110-1112
Main Authors: Yeoh, Hock-Hin, Badger, Murray R., Watson, Leslie
Format: Article
Language:English
Online Access:Get full text
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Summary:A survey of the K m (CO 2 ) values of ribulose-1,5-bisphosphate carboxylase from 60 grass species shows that enzyme from C 3 grasses consistently exhibits lower K m (CO 2 ) than does that from C 4 grasses. Systematically ordered variation in K m (CO 2 ) of ribulose-1,5-bisphosphate carboxylases from C 3 and C 4 grasses is also apparent and, among C 4 grasses, this shows some correlation with C 4 types.
ISSN:0032-0889
1532-2548
DOI:10.1104/pp.66.6.1110